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| 20: | 2 | 2 | 5 | ||||
| 144: | 2 | 2 | 2 | 2 | 3 | 3 | |
| GCF: | 2 | 2 |
The Greates Common Factor (GCF) is: 2 x 2 = 4
| Greatest Common Factor (GCF) of 206 and 224 | | Greatest Common Factor (GCF) of 46 and 49 | | Greatest Common Factor (GCF) of 77 and 43 | | Greatest Common Factor (GCF) of 5760 and 34650 | | Greatest Common Factor (GCF) of 97 and 98 | | Greatest Common Factor (GCF) of 100 and 190 | | Greatest Common Factor (GCF) of 65 and 57 | | Greatest Common Factor (GCF) of 490 and 5 | | Greatest Common Factor (GCF) of 45 and 188 | | Greatest Common Factor (GCF) of 70 and 840 | | Greatest Common Factor (GCF) of 72 and 616 | | Greatest Common Factor (GCF) of 65 and 1040 | | Greatest Common Factor (GCF) of 180 and 800 | | Greatest Common Factor (GCF) of 1200 and 200 | | Greatest Common Factor (GCF) of 860 and 640 | | Greatest Common Factor (GCF) of 36 and 648 | | Greatest Common Factor (GCF) of 91 and 221 | | Greatest Common Factor (GCF) of 176 and 135 | | Greatest Common Factor (GCF) of 784 and 576 | | Greatest Common Factor (GCF) of 75 and 192 | | Greatest Common Factor (GCF) of 360 and 292 | | Greatest Common Factor (GCF) of 2 and 180 | | Greatest Common Factor (GCF) of 28 and 292 | | Greatest Common Factor (GCF) of 3 and 180 | | Greatest Common Factor (GCF) of 36 and 214 | | Greatest Common Factor (GCF) of 294 and 1008 | | Greatest Common Factor (GCF) of 175 and 32 | | Greatest Common Factor (GCF) of 275 and 704 | | Greatest Common Factor (GCF) of 128 and 89 | | Greatest Common Factor (GCF) of 13 and 363 | | Greatest Common Factor (GCF) of 11 and 429 | | Greatest Common Factor (GCF) of 3 and 117 |